Forget carbon, the X2 is 60 grams lighter that the Elite and super stiff! Narrower front end to better fit aero bars. A stem that can claim "stiff" and actually deliver. 110mm extension with a +/-10 degree rise. 31.8mm clamp diameter. 38mm stack height. 148 grams.

• Thomson Elite Bicycle Seatpost
• B003UWEW3G
• Thomson Seatpost Collar
• B0016D8HS2
• B0013UOZ20